/*
 * $Id: cint_error.c,v 1.10 2010/08/09 19:02:41 dkelley Exp $
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 *
 * File:        cint_error.c
 * Purpose:     CINT error handling functions
 */

#include "cint_config.h"
#include "cint_porting.h"
#include "cint_error.h"

const char*
cint_error_name(cint_error_t err)
{
    switch(err) {
#define CINT_ERROR_LIST_ENTRY(_entry) case CINT_E_##_entry : return #_entry ;
#include "cint_error_entry.h"

        default: return "<UNKNOWN>";
    }
}


void
cint_internal_error(const char* f, int l, const char* fmt, ...)
{
    va_list args;
    va_start(args, fmt);

    CINT_PRINTF("*** internal error (%s:%d): ", f, l);
    CINT_VPRINTF(fmt, args);
    CINT_PRINTF("\n");
    va_end(args);
    cint_errno = CINT_E_INTERNAL;
}

static void
__cint_vmsg(const char* f, int l, const char* type, const char* fmt, va_list args)
     COMPILER_ATTRIBUTE((format (printf, 4, 0)));

static void
__cint_vmsg(const char* f, int l, const char* type, const char* fmt, va_list args)
{
    if(f) {
        CINT_PRINTF("** %s:%d: %s: ", f, l, type);
    }
    else if(l != 0) {
        CINT_PRINTF("** %d: %s: ", l, type);
    }
    else {
        CINT_PRINTF("** %s: ", type);
    }
    CINT_VPRINTF(fmt, args);
    CINT_PRINTF("\n");
}

void
cint_error(const char* f, int l, cint_error_t e, const char* fmt, ...)
{
    va_list args;
    va_start(args, fmt);
    __cint_vmsg(f, l, "error", fmt, args);
    va_end(args);
    cint_errno = e;
}

int
cint_ast_error(const cint_ast_t* ast, cint_error_t e, const char* fmt, ...)
{
    va_list args;
    va_start(args, fmt);
    __cint_vmsg(ast ? ast->file : NULL,
                ast ? ast->line : 0,
                "error", fmt, args);
    va_end(args);
    cint_errno = e;

    return e;
}

int
cint_ast_warn(const cint_ast_t* ast, const char* fmt, ...)
{
    va_list args;
    va_start(args, fmt);
    __cint_vmsg(ast ? ast->file : NULL,
                ast ? ast->line : 0,
                "warning", fmt, args);
    va_end(args);
    return 0;
}

void
cint_warn(const char* f, int l, const char* fmt, ...)
{
    va_list args;
    va_start(args, fmt);
    __cint_vmsg(f, l, "warning", fmt, args);
    va_end(args);
}
